[3.0.x] Doc'd return values of as_sql() for Func and query expressions.

Backport of 8c1b073b59 from master
This commit is contained in:
Adam Johnson 2020-03-06 12:02:08 +00:00 committed by Mariusz Felisiak
parent f389e2c960
commit cc20699e0a
2 changed files with 9 additions and 5 deletions

View file

@ -314,7 +314,9 @@ The ``Func`` API is as follows:
.. method:: as_sql(compiler, connection, function=None, template=None, arg_joiner=None, **extra_context)
Generates the SQL for the database function.
Generates the SQL fragment for the database function. Returns a tuple
``(sql, params)``, where ``sql`` is the SQL string, and ``params`` is
the list or tuple of query parameters.
The ``as_vendor()`` methods should use the ``function``, ``template``,
``arg_joiner``, and any other ``**extra_context`` parameters to